forked from OSchip/llvm-project
298 lines
12 KiB
Python
298 lines
12 KiB
Python
# -*- Python -*-
|
|
|
|
# Configuration file for 'lit' test runner.
|
|
# This file contains common rules for various compiler-rt testsuites.
|
|
# It is mostly copied from lit.cfg used by Clang.
|
|
import os
|
|
import platform
|
|
import re
|
|
import subprocess
|
|
|
|
import lit.formats
|
|
import lit.util
|
|
|
|
|
|
# Choose between lit's internal shell pipeline runner and a real shell. If
|
|
# LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override.
|
|
use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
|
|
if use_lit_shell:
|
|
# 0 is external, "" is default, and everything else is internal.
|
|
execute_external = (use_lit_shell == "0")
|
|
else:
|
|
# Otherwise we default to internal on Windows and external elsewhere, as
|
|
# bash on Windows is usually very slow.
|
|
execute_external = (not sys.platform in ['win32'])
|
|
|
|
# Setup test format.
|
|
config.test_format = lit.formats.ShTest(execute_external)
|
|
if execute_external:
|
|
config.available_features.add('shell')
|
|
|
|
# Setup clang binary.
|
|
compiler_path = getattr(config, 'clang', None)
|
|
if (not compiler_path) or (not os.path.exists(compiler_path)):
|
|
lit_config.fatal("Can't find compiler on path %r" % compiler_path)
|
|
|
|
compiler_id = getattr(config, 'compiler_id', None)
|
|
if compiler_id == "Clang":
|
|
if platform.system() != 'Windows':
|
|
config.cxx_mode_flags = ["--driver-mode=g++"]
|
|
else:
|
|
config.cxx_mode_flags = []
|
|
# We assume that sanitizers should provide good enough error
|
|
# reports and stack traces even with minimal debug info.
|
|
config.debug_info_flags = ["-gline-tables-only"]
|
|
if platform.system() == 'Windows':
|
|
config.debug_info_flags.append("-gcodeview")
|
|
elif compiler_id == 'GNU':
|
|
config.cxx_mode_flags = ["-x c++"]
|
|
config.debug_info_flags = ["-g"]
|
|
else:
|
|
lit_config.fatal("Unsupported compiler id: %r" % compiler_id)
|
|
# Add compiler ID to the list of available features.
|
|
config.available_features.add(compiler_id)
|
|
|
|
# BFD linker in 64-bit android toolchains fails to find libm.so, which is a
|
|
# transitive shared library dependency (via asan runtime).
|
|
if config.android:
|
|
config.target_cflags += " -fuse-ld=gold -Wl,--enable-new-dtags"
|
|
|
|
# Clear some environment variables that might affect Clang.
|
|
possibly_dangerous_env_vars = ['ASAN_OPTIONS', 'DFSAN_OPTIONS', 'LSAN_OPTIONS',
|
|
'MSAN_OPTIONS', 'UBSAN_OPTIONS',
|
|
'COMPILER_PATH', 'RC_DEBUG_OPTIONS',
|
|
'CINDEXTEST_PREAMBLE_FILE', 'LIBRARY_PATH',
|
|
'CPATH', 'C_INCLUDE_PATH', 'CPLUS_INCLUDE_PATH',
|
|
'OBJC_INCLUDE_PATH', 'OBJCPLUS_INCLUDE_PATH',
|
|
'LIBCLANG_TIMING', 'LIBCLANG_OBJTRACKING',
|
|
'LIBCLANG_LOGGING', 'LIBCLANG_BGPRIO_INDEX',
|
|
'LIBCLANG_BGPRIO_EDIT', 'LIBCLANG_NOTHREADS',
|
|
'LIBCLANG_RESOURCE_USAGE',
|
|
'LIBCLANG_CODE_COMPLETION_LOGGING',
|
|
'XRAY_OPTIONS']
|
|
# Clang/Win32 may refer to %INCLUDE%. vsvarsall.bat sets it.
|
|
if platform.system() != 'Windows':
|
|
possibly_dangerous_env_vars.append('INCLUDE')
|
|
for name in possibly_dangerous_env_vars:
|
|
if name in config.environment:
|
|
del config.environment[name]
|
|
|
|
# Tweak PATH to include llvm tools dir.
|
|
if (not config.llvm_tools_dir) or (not os.path.exists(config.llvm_tools_dir)):
|
|
lit_config.fatal("Invalid llvm_tools_dir config attribute: %r" % config.llvm_tools_dir)
|
|
path = os.path.pathsep.join((config.llvm_tools_dir, config.environment['PATH']))
|
|
config.environment['PATH'] = path
|
|
|
|
# Help MSVS link.exe find the standard libraries.
|
|
# Make sure we only try to use it when targetting Windows.
|
|
if platform.system() == 'Windows' and '-win' in config.target_triple:
|
|
config.environment['LIB'] = os.environ['LIB']
|
|
|
|
if re.match(r'^x86_64.*-linux', config.target_triple):
|
|
config.available_features.add("x86_64-linux")
|
|
|
|
# Use ugly construction to explicitly prohibit "clang", "clang++" etc.
|
|
# in RUN lines.
|
|
config.substitutions.append(
|
|
(' clang', """\n\n*** Do not use 'clangXXX' in tests,
|
|
instead define '%clangXXX' substitution in lit config. ***\n\n""") )
|
|
|
|
# Allow tests to be executed on a simulator or remotely.
|
|
if config.emulator:
|
|
config.substitutions.append( ('%run', config.emulator) )
|
|
config.substitutions.append( ('%env ', "env ") )
|
|
config.compile_wrapper = ""
|
|
elif config.ios:
|
|
config.available_features.add('ios')
|
|
device_id_env = "SANITIZER_IOSSIM_TEST_DEVICE_IDENTIFIER" if config.iossim else "SANITIZER_IOS_TEST_DEVICE_IDENTIFIER"
|
|
if device_id_env in os.environ: config.environment[device_id_env] = os.environ[device_id_env]
|
|
ios_commands_dir = os.path.join(config.compiler_rt_src_root, "test", "sanitizer_common", "ios_commands")
|
|
run_wrapper = os.path.join(ios_commands_dir, "iossim_run.py" if config.iossim else "ios_run.py")
|
|
config.substitutions.append(('%run', run_wrapper))
|
|
env_wrapper = os.path.join(ios_commands_dir, "iossim_env.py" if config.iossim else "ios_env.py")
|
|
config.substitutions.append(('%env ', env_wrapper + " "))
|
|
compile_wrapper = os.path.join(ios_commands_dir, "iossim_compile.py" if config.iossim else "ios_compile.py")
|
|
config.compile_wrapper = compile_wrapper
|
|
elif config.android:
|
|
config.available_features.add('android')
|
|
compile_wrapper = os.path.join(config.compiler_rt_src_root, "test", "sanitizer_common", "android_commands", "android_compile.py") + " "
|
|
config.compile_wrapper = compile_wrapper
|
|
config.substitutions.append( ('%run', "") )
|
|
config.substitutions.append( ('%env ', "env ") )
|
|
else:
|
|
config.substitutions.append( ('%run', "") )
|
|
config.substitutions.append( ('%env ', "env ") )
|
|
config.compile_wrapper = ""
|
|
|
|
# Define CHECK-%os to check for OS-dependent output.
|
|
config.substitutions.append( ('CHECK-%os', ("CHECK-" + config.host_os)))
|
|
|
|
# Define %arch to check for architecture-dependent output.
|
|
config.substitutions.append( ('%arch', (config.host_arch)))
|
|
|
|
if config.host_os == 'Windows':
|
|
# FIXME: This isn't quite right. Specifically, it will succeed if the program
|
|
# does not crash but exits with a non-zero exit code. We ought to merge
|
|
# KillTheDoctor and not --crash to make the latter more useful and remove the
|
|
# need for this substitution.
|
|
config.expect_crash = "not KillTheDoctor "
|
|
else:
|
|
config.expect_crash = "not --crash "
|
|
|
|
config.substitutions.append( ("%expect_crash ", config.expect_crash) )
|
|
|
|
target_arch = getattr(config, 'target_arch', None)
|
|
if target_arch:
|
|
config.available_features.add(target_arch + '-target-arch')
|
|
if target_arch in ['x86_64', 'i386']:
|
|
config.available_features.add('x86-target-arch')
|
|
config.available_features.add(target_arch + '-' + config.host_os.lower())
|
|
|
|
compiler_rt_debug = getattr(config, 'compiler_rt_debug', False)
|
|
if not compiler_rt_debug:
|
|
config.available_features.add('compiler-rt-optimized')
|
|
|
|
sanitizer_can_use_cxxabi = getattr(config, 'sanitizer_can_use_cxxabi', True)
|
|
if sanitizer_can_use_cxxabi:
|
|
config.available_features.add('cxxabi')
|
|
|
|
if config.has_lld:
|
|
config.available_features.add('lld-available')
|
|
|
|
if config.use_lld:
|
|
config.available_features.add('lld')
|
|
|
|
if config.can_symbolize:
|
|
config.available_features.add('can-symbolize')
|
|
|
|
lit.util.usePlatformSdkOnDarwin(config, lit_config)
|
|
|
|
if config.host_os == 'Darwin':
|
|
osx_version = (10, 0, 0)
|
|
try:
|
|
osx_version = subprocess.check_output(["sw_vers", "-productVersion"])
|
|
osx_version = tuple(int(x) for x in osx_version.split('.'))
|
|
if len(osx_version) == 2: osx_version = (osx_version[0], osx_version[1], 0)
|
|
if osx_version >= (10, 11):
|
|
config.available_features.add('osx-autointerception')
|
|
config.available_features.add('osx-ld64-live_support')
|
|
else:
|
|
# The ASAN initialization-bug.cc test should XFAIL on OS X systems
|
|
# older than El Capitan. By marking the test as being unsupported with
|
|
# this "feature", we can pass the test on newer OS X versions and other
|
|
# platforms.
|
|
config.available_features.add('osx-no-ld64-live_support')
|
|
except:
|
|
pass
|
|
|
|
config.darwin_osx_version = osx_version
|
|
|
|
# Detect x86_64h
|
|
try:
|
|
output = subprocess.check_output(["sysctl", "hw.cpusubtype"])
|
|
output_re = re.match("^hw.cpusubtype: ([0-9]+)$", output)
|
|
if output_re:
|
|
cpu_subtype = int(output_re.group(1))
|
|
if cpu_subtype == 8: # x86_64h
|
|
config.available_features.add('x86_64h')
|
|
except:
|
|
pass
|
|
|
|
config.substitutions.append( ("%macos_min_target_10_11", "-mmacosx-version-min=10.11") )
|
|
else:
|
|
config.substitutions.append( ("%macos_min_target_10_11", "") )
|
|
|
|
sancovcc_path = os.path.join(config.llvm_tools_dir, "sancov")
|
|
if os.path.exists(sancovcc_path):
|
|
config.available_features.add("has_sancovcc")
|
|
config.substitutions.append( ("%sancovcc ", sancovcc_path) )
|
|
|
|
def is_darwin_lto_supported():
|
|
return os.path.exists(os.path.join(config.llvm_shlib_dir, 'libLTO.dylib'))
|
|
|
|
def is_linux_lto_supported():
|
|
if config.use_lld:
|
|
return True
|
|
|
|
if not os.path.exists(os.path.join(config.llvm_shlib_dir, 'LLVMgold.so')):
|
|
return False
|
|
|
|
ld_cmd = subprocess.Popen([config.gold_executable, '--help'], stdout = subprocess.PIPE, env={'LANG': 'C'})
|
|
ld_out = ld_cmd.stdout.read().decode()
|
|
ld_cmd.wait()
|
|
|
|
if not '-plugin' in ld_out:
|
|
return False
|
|
|
|
return True
|
|
|
|
def is_windows_lto_supported():
|
|
return os.path.exists(os.path.join(config.llvm_tools_dir, 'lld-link.exe'))
|
|
|
|
if config.host_os == 'Darwin' and is_darwin_lto_supported():
|
|
config.lto_supported = True
|
|
config.lto_launch = ["env", "DYLD_LIBRARY_PATH=" + config.llvm_shlib_dir]
|
|
config.lto_flags = []
|
|
elif config.host_os == 'Linux' and is_linux_lto_supported():
|
|
config.lto_supported = True
|
|
config.lto_launch = []
|
|
if config.use_lld:
|
|
config.lto_flags = ["-fuse-ld=lld"]
|
|
else:
|
|
config.lto_flags = ["-fuse-ld=gold"]
|
|
elif config.host_os == 'Windows' and is_windows_lto_supported():
|
|
config.lto_supported = True
|
|
config.lto_launch = []
|
|
# FIXME: Remove -nopdb when PDB writing is ready.
|
|
config.lto_flags = ["-fuse-ld=lld -Wl,-nopdb"]
|
|
else:
|
|
config.lto_supported = False
|
|
|
|
if config.lto_supported:
|
|
config.available_features.add('lto')
|
|
if config.use_thinlto:
|
|
config.available_features.add('thinlto')
|
|
config.lto_flags += ["-flto=thin"]
|
|
else:
|
|
config.lto_flags += ["-flto"]
|
|
|
|
# Ask llvm-config about assertion mode.
|
|
try:
|
|
llvm_config_cmd = subprocess.Popen(
|
|
[os.path.join(config.llvm_tools_dir, 'llvm-config'), '--assertion-mode'],
|
|
stdout = subprocess.PIPE,
|
|
env=config.environment)
|
|
except OSError:
|
|
print("Could not find llvm-config in " + config.llvm_tools_dir)
|
|
exit(42)
|
|
|
|
if re.search(r'ON', llvm_config_cmd.stdout.read().decode('ascii')):
|
|
config.available_features.add('asserts')
|
|
llvm_config_cmd.wait()
|
|
|
|
# Sanitizer tests tend to be flaky on Windows due to PR24554, so add some
|
|
# retries. We don't do this on otther platforms because it's slower.
|
|
if platform.system() == 'Windows':
|
|
config.test_retry_attempts = 2
|
|
|
|
# Only run up to 3 64-bit sanitized processes simultaneously on Darwin.
|
|
# Using more scales badly and hogs the system due to inefficient handling
|
|
# of large mmap'd regions (terabytes) by the kernel.
|
|
if platform.system() == 'Darwin':
|
|
lit_config.parallelism_groups["darwin-64bit-sanitizer"] = 3
|
|
|
|
if config.host_os == 'Darwin':
|
|
config.substitutions.append( ("%ld_flags_rpath_exe", '-Wl,-rpath,@executable_path/ %dynamiclib') )
|
|
config.substitutions.append( ("%ld_flags_rpath_so", '-install_name @rpath/`basename %dynamiclib`') )
|
|
elif config.host_os == 'FreeBSD':
|
|
config.substitutions.append( ("%ld_flags_rpath_exe", "-Wl,-z,origin -Wl,-rpath,\$ORIGIN -L%T -l%xdynamiclib_namespec") )
|
|
config.substitutions.append( ("%ld_flags_rpath_so", '') )
|
|
elif config.host_os == 'Linux':
|
|
config.substitutions.append( ("%ld_flags_rpath_exe", "-Wl,-rpath,\$ORIGIN -L%T -l%xdynamiclib_namespec") )
|
|
config.substitutions.append( ("%ld_flags_rpath_so", '') )
|
|
|
|
# Must be defined after the substitutions that use %dynamiclib.
|
|
config.substitutions.append( ("%dynamiclib", '%T/%xdynamiclib_filename') )
|
|
config.substitutions.append( ("%xdynamiclib_filename", 'lib%xdynamiclib_namespec.so') )
|
|
config.substitutions.append( ("%xdynamiclib_namespec", '%basename_t.dynamic') )
|